org.apache.druid.query.filter.vector

Interface VectorValueMatcher

All Superinterfaces:

VectorSizeInspector

All Known Implementing Classes:

BaseVectorValueMatcher, BooleanVectorValueMatcher, FalseVectorMatcher, TrueVectorMatcher

public interface VectorValueMatcher
extends VectorSizeInspector

An object that returns a boolean indicating if the "current" row should be selected or not. The most prominent use of this interface is that it is returned by the Filter "makeVectorMatcher" method, where it is used to identify selected rows for filtered cursors and filtered aggregators.

See Also:

org.apache.druid.query.filter.ValueMatcher, the non-vectorized version

Method Summary

Modifier and Type	Method and Description
ReadableVectorMatch	match(ReadableVectorMatch mask) Examine the current vector and return a match indicating what is accepted.

Methods inherited from interface org.apache.druid.segment.vector.VectorSizeInspector

getCurrentVectorSize, getMaxVectorSize

Method Detail

match

ReadableVectorMatch match(ReadableVectorMatch mask)

Examine the current vector and return a match indicating what is accepted.

Parameters:

mask - must not be null; use VectorMatch.allTrue(int) if you don't need a mask.

Returns:

the subset of "mask" that this value matcher accepts